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Finding the Fourth Proportional to 24.00, 33.12 and 13.08

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Solution

The fourth proportional to 24.00, 33.12 and 13.08 is: 18.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.00 : 33.12 = 13.08 : x
  2. Step 2: Convert to fraction form
    24.00/33.12 = 13.08/x
  3. Step 3: Cross multiply
    24.00x = 33.12 × 13.08
  4. Step 4: Simplify right side
    24.00x = 433.19
  5. Step 5: Solve for x
    x = 433.19/24.00
  6. Step 6: Final answer
    x = 18.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.